understand
intransitive verbTo become aware of the nature and significance of; know or comprehend.
intransitive verbTo become aware of the intended meaning of (a person or remark, for example).
intransitive verbTo know and be tolerant or sympathetic toward.
intransitive verbTo know thoroughly by close contact or long experience with.
intransitive verbTo learn indirectly or infer, as from hearsay.
intransitive verbTo assume to be or accept as agreed.
intransitive verbTo supply or add (words or a meaning, for example) mentally.